<!doctype html>
<html lang="en">
<head>
    <meta charset="utf-8">
    <title>on demo</title>
    <script src="../jquery-latest.js"></script>
</head>
<body>

<a href="http://www.naver.com">naver</a>

<script>
    $( "body" ).on( "click", "a", function( e ) {
        e.preventDefault();
    });
</script>

</body>
</html>